> I have small Blackout. > > I want to read a tracer in and do not manage it not! > > Only one bit! > > My idea: > > outp(inp(DDRD) & ~0x01, DDRD); > if((inp(PORTD) & 0x01) > 0){ > > } WinAVR does not support 'outp', 'inp' any more. You have to write like if(PIND&0x01)